STRENGTH AND DEFORMATION CHARACTERISTICS OF RECYCLED CONCRETE AGGREGATE

STRENGTH AND DEFORMATION CHARACTERISTICS OF RECYCLED CONCRETE AGGREGATE AS A BACKFILL MATERIAL UMAIR AQIL, FUMIO TATSUOKA, TARO UCHIMURA, TARA NIDHI LOHANI, YUICHI TOMITA, KENICHI MATSUSHIMA

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CiteSeerX — Strength Characteristics Of Concrete With Recycled Aggregates And Artificial Sand

Recycled concrete can produce an alternative aggregate for structural concrete as partial or total replacement. In this paper an attempt is made to utilize recycled concrete aggregates and artificial sand (machine made sand) in concrete, using IS10262:2009 as guideline for designing the concrete with grade M25.

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Performance characteristics of recycled concrete aggregate as

Use of recycled concrete aggregates (RCA) as a pavement material is one of the most sustainable engineering applications for the pavement industry. Investigation on the performance characteristics of RCA, such as elastic and plastic deformations of RCA is therefore, needed to assess RCA's application as an unbound pavement material.

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PROPERTIES OF RECYCLED AGGREGATE CONCRETE

It is known that the aggregates from domestic natural resources have negligible absorption, up to 1% as maximum, while the value of the classically recycled coarse aggregate typically ranges within the interval from 3.5% to 10%, and for the fine aggrega-

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Recycled Concrete—A Source for New Aggregate

The recycled aggregate concrete showed somewhat better workability characteristics than conventional mixes although its modulus of elasticity and durability characteristics were lower.

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Using of Recycled Aggregate in Producing Concrete Elements

Compressive strength of 4.3 Mpa can be produced using 100% recycled aggregate at 0.42 w/c ratio. According to the Palestinian Draft Specification, a block compressive strength of 3.5 Mpa is the minimum requirement. The reduction in interlock compressive strength when using 100% recycled aggregate content was 25 %.

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ICE Themes Recycled Aggregates: Use in Concrete | ICE Themes

It shows how recycled aggregate research has evolved and continues to influence the concrete construction industry. ICE Themes Recycled Aggregates: Use in Concrete includes sections containing chapters that cover characteristics of recycled aggregates

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PDF Strength Characteristics of Ternary Blended Recycled

The recycled aggregate concrete showed inferior quality than natural aggregate concrete in all aspects and many research works was done and reported by researchers to improve the characteristics of recycled aggregate concrete.

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How Recycled Aggregates are Sustainable to the Environment

Oct 03, 2018 · Increasingly construction materials are being judged by their ecological characteristics. Recycled aggregates in concrete have become an important tool in protecting natural resources because it eliminates the need for disposal. Once the recycling process is complete, the aggregate recycled concrete acts much like the natural rock.

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Durability characteristics of recycled aggregate concrete

Durability characteristics of recycled aggregate concrete were studied with Rapid chloride penetration test (as per ASTMC1202), sorptivity test and acid test to assess resistance against chloride ion penetration, capillary suction and chemical attack respectively.

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Crushed Concrete Aggregates - Properties and Uses of Recycled

Shear strength of recycled aggregate concrete is lesser than of normal concrete. This is because the recycled aggregate from field-demolished concrete for example can be relatively weaker than a typical natural aggregate. In general, there is a 10% decrease in strength when recycled coarse aggregates are used. Uses of Crushed Concrete Aggregates

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Concrete Aggregates - Function, Properties, Characteristics

Characteristics dependent on chemical and mineralogical composition: strength, hardness, elastic modulus, and deleterious substances present. A knowledge of certain aggregate characteristics (i.e., density, grading, and moisture state) is required for proportioning concrete mixtures.

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Performance characteristics of recycled concrete aggregate as an unbound pavement material: Heliyon

Use of recycled concrete aggregates (RCA) as a pavement material is one of the most sustainable engineering applications for the pavement industry. Investigation on the performance characteristics of RCA, such as elastic and plastic deformations of RCA is therefore, needed to assess RCA's application as an unbound pavement material.

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Use of Recycled Aggregates in Construction

Recycled Aggregates Recycled Concrete Aggregate (RCA) Crushed sound and clean waste concrete of at least 95% by weight of concrete with typical total contamination lower than 1% of the bulk mass. Class 1A RCA is a well graded RCA with no more than 0.5% brick content. Partial replacement (30%) for natural aggregate in concrete for sidewalks,

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PROPERTIES AND CHARACTERISTICS OF RCA - CiteSeerX

The properties of recycled concrete aggregate vary some from aggregates, but typically not enough to undermine the benefits of their use. Because recycled concrete aggregate (RCA) particles are comprised of reclaimed aggregate and/or mortar, they tend to be more angular and rough than typical aggregates, and their

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Characteristics of Aggregates - Civil Snapshot

Mar 23, 2021 · Aggregates must conform to certain requirements and should consist of clean, hard, strong, and durable particles free of chemicals, coatings of clay, or other fine materials that may affect the hydration and bond of the cement paste. The characteristics of the aggregates influence the properties of the concrete.

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Characteristics of recycled aggregate concretes produced in

Influence of Recycled Aggregate on Interfacial Transition zone, Strength, Chloride Penetration and Carbonation of Concrete. Journal of Materials in Civil Engineering 1 (5) : 443-451. Sanchez De Juan, M., & Gutierrez, P.A. 2009. Study on the Influence of

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Influence of Treatment Methods on the Strength and

With the rise in the adoption of recycled aggregate for construction, investigation on ways to improve its quality has been wide spread. The major factor that affects the quality of recycled aggregate is the large amount of cement mortar that remains on the surface of the recycled aggregate.

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MECHANICAL AND DURABILITY PROPERTIES OF SLAG BASED RECYCLED AGGREGATE

characteristics of the GGBFS-based recycled aggregate concrete. Four different groups of mixes were designed by replacing natural coarse aggregate (NA) 0, 25, 50 and 100% with recycled

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Strength Characteristics Of Concrete With Recycled Aggregates

Recycled concrete can produce an alternative aggregate for structural concrete as partial or total replacement. In this paper an attempt is made to utilize recycled concrete aggregates and artificial sand (machine made sand) in concrete, using IS10262:2009 as guideline for designing the concrete with grade M25.

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Strength and Deformation Characteristics of Recycled Concrete

To investigate the feasibility of the use of recycled concrete aggregate as the backfill material of geotechnical engineering structures, such as embankments, geo-synthetic reinforced soil retaining walls and bridge abutments, a series of drained triaxial compression tests were performed. Both axial and lateral strains were measured locally.

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Strength and Durability Evaluation of Recycled Aggregate Concrete

Aggregate strength, gradation, absorption, specific gravity, shape and texture are some of the physical and mechanical characteristics that contribute to the strength and durability of concrete. In general, the quality of recycled aggregate depends on the loading and exposure conditions of the demolished structures.

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PDF) Strength Characteristics of Ternary Blended Recycled

From the experimental results it was observed that the coarse aggregate replacement of 50% and 100% with recycled aggregate reduced the strength

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Characteristics of mortar and concrete containing fine

Characteristics of mortar and concrete containing fine aggregate manufactured from recycled waste polyethylene terephthalate bottles Construction and Building Materials ABSTRACT This paper presents the development of lightweight aggregate concrete using fine aggregate that is manufactured from recycled waste polyethylene terephthalate (PET

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Characteristics of Concrete Prepared with Metakaolin and Recycled Coarse Aggregate

Recycled aggregate concrete (RAC) mixes are made by substituting NCA with 100% RCA and ordinary Portland cement with 10, 15 and 20% metakaolin. The workability of fresh concrete mixes is evaluated by slump test.

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